Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1 | //===-- CommandObjectAppend.cpp ---------------------------------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #include "CommandObjectAppend.h" |
| 11 | |
| 12 | // C Includes |
| 13 | // C++ Includes |
| 14 | // Other libraries and framework includes |
| 15 | // Project includes |
| 16 | #include "lldb/Interpreter/CommandInterpreter.h" |
| 17 | #include "lldb/Interpreter/CommandReturnObject.h" |
| 18 | |
| 19 | using namespace lldb; |
| 20 | using namespace lldb_private; |
| 21 | |
| 22 | //----------------------------------------------------------------------------- |
| 23 | // CommandObjectAppend |
| 24 | //----------------------------------------------------------------------------- |
| 25 | |
| 26 | CommandObjectAppend::CommandObjectAppend () : |
| 27 | CommandObject ("append", |
| 28 | "Allows the user to append a value to a single debugger setting variable, for settings that are of list types. Type 'settings' to see a list of debugger setting variables", |
| 29 | "append <var-name> <value-string>") |
| 30 | { |
| 31 | } |
| 32 | |
| 33 | CommandObjectAppend::~CommandObjectAppend () |
| 34 | { |
| 35 | } |
| 36 | |
| 37 | bool |
| 38 | CommandObjectAppend::Execute |
| 39 | ( |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 40 | CommandInterpreter &interpreter, |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 41 | Args& command, |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 42 | CommandReturnObject &result |
| 43 | ) |
| 44 | { |
| 45 | CommandInterpreter::VariableMap::iterator pos; |
| 46 | |
| 47 | const int argc = command.GetArgumentCount(); |
| 48 | if (argc < 2) |
| 49 | { |
| 50 | result.AppendError ("'append' requires at least two arguments"); |
| 51 | result.SetStatus (eReturnStatusFailed); |
| 52 | return false; |
| 53 | } |
| 54 | |
| 55 | const char *var_name = command.GetArgumentAtIndex(0); |
| 56 | command.Shift(); |
| 57 | |
| 58 | |
| 59 | if (var_name == NULL || var_name[0] == '\0') |
| 60 | { |
| 61 | result.AppendError ("'set' command requires a valid variable name. No value supplied"); |
| 62 | result.SetStatus (eReturnStatusFailed); |
| 63 | } |
| 64 | else |
| 65 | { |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 66 | StateVariable *var = interpreter.GetStateVariable(var_name); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 67 | if (var == NULL) |
| 68 | { |
| 69 | result.AppendErrorWithFormat ("'%s' is not a settable internal variable.\n", var_name); |
| 70 | result.SetStatus (eReturnStatusFailed); |
| 71 | } |
| 72 | else |
| 73 | { |
| 74 | if (var->GetType() == StateVariable::eTypeString) |
| 75 | { |
Greg Clayton | 54e7afa | 2010-07-09 20:39:50 +0000 | [diff] [blame] | 76 | for (size_t i = 0; i < command.GetArgumentCount(); ++i) |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 77 | var->AppendStringValue (command.GetArgumentAtIndex(i)); |
| 78 | result.SetStatus (eReturnStatusSuccessFinishNoResult); |
| 79 | } |
| 80 | else if (var->GetType() == StateVariable::eTypeStringArray) |
| 81 | { |
| 82 | var->GetArgs().AppendArguments (command); |
| 83 | result.SetStatus (eReturnStatusSuccessFinishNoResult); |
| 84 | } |
| 85 | else |
| 86 | { |
| 87 | result.AppendErrorWithFormat ("Values cannot be appended to variable '%s'. Try 'set' instead.\n", var_name); |
| 88 | result.SetStatus (eReturnStatusFailed); |
| 89 | } |
| 90 | } |
| 91 | } |
| 92 | return result.Succeeded(); |
| 93 | } |
| 94 | |